1, if there is an official at home, you can press the door seven.
2. If you are doing business at home, you can press 8.
3. If someone in the family is sick or unlucky, you can press 6.
Extended data:
The threshold stone in geomantic omen started from the ancient threshold of China. At that time, it was mainly made of wood, dyed red with paint, which meant a good start. If you have an official at home, you can bet seven coppers under the door, and if you do business at home, you can bet eight.
Putting ancient coins on the threshold is a custom handed down by our ancestors. First, you can put modern coins. If your family is a cadre, you can put seven coins under the door. If you are in business, you can put eight coins under the door. Then you can use coins to make it "safe to go in and out", buy two pieces of cinnabar from the drugstore, sprinkle it below, and put a peach branch facing south below.